40343151020 has 12 divisors (see below), whose sum is σ = 84720617184. Its totient is φ = 16137260400.

The previous prime is 40343151011. The next prime is 40343151029. The reversal of 40343151020 is 2015134304.

It is an interprime number because it is at equal distance from previous prime (40343151011) and next prime (40343151029).

It is not an unprimeable number, because it can be changed into a prime (40343151029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008578756 + ... + 1008578795.

It is an arithmetic number, because the mean of its divisors is an integer number (7060051432).

Almost surely, 2^40343151020 is an apocalyptic number.

It is an amenable number.

40343151020 is an abundant number, since it is smaller than the sum of its proper divisors (44377466164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40343151020 is a wasteful number, since it uses less digits than its factorization.

40343151020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017157560 (or 2017157558 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 40343151020 its reverse (2015134304), we get a palindrome (42358285324).

The spelling of 40343151020 in words is "forty billion, three hundred forty-three million, one hundred fifty-one thousand, twenty".